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Aspire 5251/5551G/5551 Series
Service Guide
PRINTED IN TAIWAN
Service guide files and updates are available
on the ACER/CSD web; for more information,
please refer to http://csd.acer.com.tw
II
Revision History
Please refer to the table below for the updates made on Aspire 5251/5551G/5551 service guides.
Date Chapter Updates
III
Copyright
Copyright © 2010 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced,
transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in
any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without
the prior written permission of Acer Incorporated.
Disclaimer
The information in this guide is subject to change without notice.
Acer Incorporated makes no representations or warranties, either expressed or implied, with respect to the
contents hereof and specifically disclaims any warranties of merchantability or fitness for any particular
purpose. Any Acer Incorporated software described in this manual is sold or licensed "as is". Should the
programs prove defective following their purchase, the buyer (and not Acer Incorporated, its distributor, or its
dealer) assumes the entire cost of all necessary servicing, repair, and any incidental or consequential
damages resulting from any defect in the software.
Acer is a registered trademark of Acer Corporation.
Intel is a registered trademark of Intel Corporation.
Other brand and product names are trademarks and/or registered trademarks of their respective holders.
IV
Conventions
The following conventions are used in this manual:
NOTE: This symbol where placed in the Service Guide designates a component that should be recycled
according to the local regulations.
SCREEN MESSAGES Denotes actual messages that appear
on screen.
NOTE Gives bits and pieces of additional
information related to the current
topic.
WARNING Alerts you to any damage that might
result from doing or not doing specific
actions.
CAUTION Gives precautionary measures to
avoid possible hardware or software
problems.
IMPORTANT Reminds you to do specific actions
relevant to the accomplishment of
procedures.
V
Preface
Before using this information and the product it supports, please read the following general information.
1. This Service Guide provides you with all technical information relating to the BASIC CONFIGURATION
decided for Acer's "global" product offering. To better fit local market requirements and enhance product
competitiveness, your regional office MAY have decided to extend the functionality of a machine (e.g.
add-on card, modem, or extra memory capability). These LOCALIZED FEATURES will NOT be covered
in this generic service guide. In such cases, please contact your regional offices or the responsible
personnel/channel to provide you with further technical details.
2. Please note WHEN ORDERING FRU PARTS, that you should check the most up-to-date information
available on your regional web or channel. If, for whatever reason, a part number change is made, it will
not be noted in the printed Service Guide. For ACER-AUTHORIZED SERVICE PROVIDERS, your Acer
office may have a DIFFERENT part number code to those given in the FRU list of this printed Service
Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and
service of customer machines.
VI
VII
Table of Contents
System Specifications 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Your Acer Notebook tour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Closed Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Left View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Right View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Bottom View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
TouchPad Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Using the Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Lock Keys and embedded numeric keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Windows Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Hot Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Hardware Specifications and Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
System Utilities 25
BIOS Setup Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Navigating the BIOS Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Aspire 5251/5551G/5551 BIOS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Main . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
BIOS Flash Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
DOS Flash Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
WinFlash Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Remove HDD/BIOS Password Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Machine Disassembly and Replacement 43
Disassembly Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Pre-disassembly Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Disassembly Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
External Module Disassembly Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
External Modules Disassembly Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Removing the Battery Pack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Removing the SD Dummy Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Removing the Optical Drive Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
Removing the Logic Lower Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
Removing the 3G Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
Removing the DIMM Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
Removing the WLAN Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
Removing the Hard Disk Drive Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
Main Unit Disassembly Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Main Unit Disassembly Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Removing the Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Removing the Upper Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
Removing the Left Speaker Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
Removing the Right Speaker Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Removing the Power Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
Removing the TouchPad Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
Removing the Card Reader Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72
VIII
Table of Contents
Removing the USB Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
Removing the Bluetooth Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75
Removing the Mainboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
Removing the Thermal Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
Removing the CPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
LCD Module Disassembly Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
LCD Module Disassembly Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
Removing the LCD Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
Removing the LCD Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
Removing the Camera Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
Removing the LCD Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
Removing the LCD Brackets and LVDS Cable . . . . . . . . . . . . . . . . . . . . . . . . . .91
Removing the Microphone Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
Removing the Antennas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
LCD Module Reassembly Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
Replacing the Antennas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
Replacing the Microphone Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100
Replacing the LCD Brackets and LVDS Cable . . . . . . . . . . . . . . . . . . . . . . . . .101
Replacing the LCD Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103
Replacing the Camera Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104
Replacing the LCD Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105
Replacing the LCD Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106
Main Module Reassembly Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .109
Replacing the CPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .109
Replacing the Thermal Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
Replacing the Mainboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112
Replacing the Bluetooth Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
Replacing the USB Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116
Replacing the Card Reader Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118
Replacing the TouchPad Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119
Replacing the Power Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .121
Replacing the Right Speaker Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .122
Replacing the Left Speaker Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123
Replacing the Upper Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124
Replacing the Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .127
Replacing the Hard Disk Drive Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .128
Replacing the WLAN Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .129
Replacing the DIMM Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130
Replacing the 3G Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131
Replacing the Logic Lower Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132
Replacing the ODD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133
Replacing the SD Dummy Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134
Replacing the Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135
Troubleshooting 137
Common Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137
Power On Issue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .138
No Display Issue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .139
Random Loss of BIOS Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140
LCD Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141
Built-In Keyboard Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141
TouchPad Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .142
Internal Speaker Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .142
HDD Not Operating Correctly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .144
ODD Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .145
IX
Table of Contents
Wireless Function Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .148
Thermal Unit Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .148
External Mouse Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149
Other Failures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149
Intermittent Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150
Undetermined Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150
Post Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .151
Jumper and Connector Locations 155
Top View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .155
Bottom View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .156
USB/B Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .157
Power Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .157
CR/B Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .158
Clearing Password Check and BIOS Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . .159
Clearing Password Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .159
Clear CMOS Jumper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .159
BIOS Recovery by Crisis Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .160
FRU (Field Replaceable Unit) List 161
Aspire 5251/5551G/5551 Exploded Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . .162
Main Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .162
Base Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .163
LED Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .164
Aspire 5251/5551G/5551 FRU List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .165
Screw List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .166
Model Definition and Configuration 168
Aspire 5251 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .168
Aspire 5551G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .170
Aspire 5551 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .179
Test Compatible Components 187
Microsoft® Windows® 7 Environment Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .188
Online Support Information 195
Index 197
X
Table of Contents
Chapter 1 1
System Specifications
Features
Below is a brief summary of the computer’s many features:
NOTE: Some features not available on all models.
Operating System
• Genuine Windows® 7 Home Premium 64-bit
• Genuine Windows® 7 Home Basic 64-bit
CPU/Chipset
• AMD V Series processor V120 (512 KB L2 cache, 2.20 GHz, 3.2GT/s, 25 W) (Aspire 5251)
• AMD M880G Chipset (Aspire 5251)
• AMD Phenom™ II triple-core mobile processor N830 (1.5 MB L2 cache, 2.10 GHz, 3.6GT/s, 35 W)
(Aspire 5551/5551G)
• AMD Turion™ II dual-core mobile processor P520/N530 (2 MB L2 cache, 2.30/2.50 GHz, 3.6GT/s,
25/35 W) (Aspire 5551/5551G)
• AMD Athlon™ II dual-core processor P320/N330 (1 MB L2 cache, 2.10/2.30 GHz, 3.2GT/s, 25/35
W) (Aspire 5551/5551G)
• AMD RS880M and SB820M Chipset (Aspire 5251/5551/5551G)
System Memory
• Dual-channel DDR3 SDRAM support:
• Up to 4 GB of DDR3 1066 MHz memory, upgradeable to 8 GB using two soDIMM modules
(for 64-bit OS)
Display
• 15.6" HD 1366 x 768 pixel resolution, high-brightness (200-nit) Acer CineCrystal™ LED-backlit
TFT LCD
• 16:9 aspect ratio
Graphics
• ATI Radeon™ HD 4250 Graphics with 256 MB of dedicated system memory, supporting Unified
Video Decoder 2 (UVD2), OpenEXR High Dynamic-Range (HDR) technology, Shader Model 4.1,
Microsoft® DirectX® 10.1 (Aspire 5251/5551)
• ATI Mobility Radeon™ HD 5650 with 1024 MB of dedicated DDR3 VRAM, supporting Unified
Video Decoder (UVD), OpenEXR High Dynamic-Range (HDR) technology, Shader Model 5.0,
Microsoft® DirectX® 11, OpenGL® 3.1, OpenCL™ 1.1 (Aspire 5551G)
• ATI Mobility Radeon™ HD 5470 with 512 MB of dedicated DDR3 VRAM, supporting Unified Video
Decoder (UVD), OpenEXR High Dynamic-Range (HDR) technology, Shader Model 5.0,
Microsoft® DirectX® 11, OpenGL ® 3.1, OpenCL™ 1.1 (Aspire 5551G)
Chapter 1
2 Chapter 1
• Dual independent display support (Aspire 5251/5551/5551G)
• 16.7 million colors (Aspire 5251/5551/5551G)
• External resolution / refresh rates:
• VGA port up to 2560 x 1440: 75 Hz (Aspire 5251/5551)
• VGA port up to 2048 x 1536: 85 Hz (Aspire 5551G)
• HDMI™ port up to 1920 x 1080: 60 Hz (Aspire 5251/5551/5551G)
• MPEG-2/DVD decoding (Aspire 5251/5551/5551G)
• VC-1 and H.264 (AVC) decoding (Aspire 5551G)
• WMV9 (VC-1) and H.264 (AVC) decoding (Aspire 5251/5551)
• Microsoft® DirectX Video Acceleration (DXVA) application interface (API) (Aspire 5551G)
• HDMI™ (High-Definition Multimedia Interface) with HDCP (High-bandwidth Digital Content
Protection) support (Aspire 5251/5551/5551G)
Storage Subsystem
• 160/250/320/500/640 GB or larger hard disk drive
• Multi-in-1 card reader, supporting:
• Secure Digital™ (SD) Card, MultiMediaCard (MMC), Memory Stick™ (MS), Memory Stick
PRO™ (MS PRO), xD-Picture Card™ (xD)
Audio
• Two built-in Acer 3DSonic™ stereo speakers
• High-definition audio support
• Built-in microphone
• MS-Sound compatible
Storage
• 160/250/320/500/640 GB or larger hard disk drive
• Multi-in-1 card reader, supporting Secure Digital™ (SD) Card, MultiMediaCard (MMC), Memory
Stick™ (MS), Memory Stick PRO™ (MS PRO), xD-Picture Card™ (xD)
Optical Media Drive
• 8X DVD-Super Multi double-layer drive (Aspire 5251):
• Read: 24X CD-ROM, 24X CD-R, 24X CD-RW, 8X DVD-ROM, 8X DVD-R, 8X DVD+R, 6X
DVD-ROM DL, 6X DVD-R DL, 6X DVD+R DL, 6X DVD-RW, 6X DVD+RW, 5X DVD-RAM
• Write: 24X CD-R, 16X CD-RW, 8X DVD-R, 8X DVD+R, 4X DVD-R DL, 4X DVD+R DL, 6X
DVD-RW, 8X DVD+RW, 5X DVD-RAM
• 4X Blu-ray Disc™/DVD-Super Multi double-layer drive (Aspire 5551):
• Read: 24X CD-ROM, 24X CD-R, 24X CD-RW, 8X DVD-ROM, 8X DVD-R, 8X DVD+R, 8X
DVD-ROM DL, 6X DVD-R DL, 6X DVD+R DL, 8X DVD-RW, 8X DVD+RW, 5X DVD-RAM, 4X
BD-ROM, 4X BD-R, 2X BD-RE, 4X BD-ROM DL, 4X BD-R DL, 2X BD-RE DL
• Write: 24X CD-R, 16X CD-RW, 8X DVD-R, 8X DVD+R, 6X DVD-RW, 6X DVD+RW, 5X DVD-
RAM, 4X DVD+R DL, 4X DVD-R DL
• 8X DVD-Super Multi double-layer drive (Aspire 5551):·
• Read: 24X CD-ROM, 24X CD-R, 24X CD-RW, 8X DVD-ROM, 8X DVD-R, 8X DVD+R, 6X
DVD-ROM DL, 6X DVD-R DL, 6X DVD+R DL, 6X DVD-RW, 6X DVD+RW, 5X DVD-RAM
Chapter 1 3
• Write: 24X CD-R, 16X CD-RW, 8X DVD-R, 8X DVD+R, 4X DVD-R DL, 4X DVD+R DL, 6X
DVD-RW, 8X DVD+RW, 5X DVD-RAM
Communication
• Acer Video Conference, featuring:
• Acer Crystal Eye 1.3 MP webcam, 1280 x 1024 resolution
•WLAN:
• Acer InviLink™ Nplify™ 802.11b/g/n Wi-Fi CERTIFIED™
• Acer InviLink™ 802.11b/g Wi-Fi CERTIFIED™
• Supporting Acer SignalUp™ wireless technology
•WPAN:
• Bluetooth® 3.0+HS
• Bluetooth® 2.1+EDR
• LAN: Gigabit Ethernet, Wake-on-LAN ready
Privacy control
• BIOS user, supervisor, HDD passwords
• Kensington lock slot
Dimensions and weight
• 381 (W) x 253 (D) x 25/34 (H) mm (15 x 9.9 x 0.98/1.3 inches)2.6 kg (5.74 lbs.)10 with 6-cell
battery pack
Power subsystem
• ACPI 3.0 CPU power management standard: supports Standby and Hibernation power-saving
modes
• 3-pin 65 W AC adapter:
• 108 (W) x 46 (D) x 29.5 (H) mm (4.25 x 1.81 x 1.16 inches)
• 225 g (.49 lbs.)10 with 180 cm DC cable
• 48.8 W 4400 mAh 6-cell Li-ion standard battery pack
• Estimated battery life: up to 3 hours and 20 minutes
• ENERGY STAR®
Special keys and controls
• 103-/104-/107-key keyboard, with inverted "T" cursor layout, 1.8 mm (minimum) key travel
• Multi-gesture touchpad, supporting two-finger scroll, pinch, rotate, flip
• 11 function keys, four cursor keys, two Windows® keys, hotkey controls, independent standard
numeric keypad, international language support
• Media keys (printed on keyboard): play/pause, stop, previous, next
I/O interface
• Multi-in-1 card reader (SD™, MMC, MS, MS PRO, xD)
• Three USB 2.0 ports
4 Chapter 1
• HDMI™ port with HDCP support
• External display (VGA) port
• Headphone/speaker/line-out jack
• Microphone-in jack
• Ethernet (RJ-45) port
• DC-in jack for AC adapter
Optional Items
• 1 GB / 2 GB / 4 GB DDR3 1066 MHz soDIMM module
• 6-cell Li-ion battery pack
• 3-pin 65 W AC adapter
• External USB 56K modem
Environment
• Temperature:
• Operating: 5 °C to 35 °C
• Non-operating: -20 °C to 65 °C
• Humidity (non-condensing):
• Operating: 20% to 80%
• Non-operating: 20% to 80%
Chapter 1 5
System Block Diagram
Power On/O CKT.
Touch Pad
LPC BUS
uFCBGA-528
Int.KBD
USB
conn
X 3
A link Express2
DC/DC Interface CKT.
AMD S1G4 Processor
3.3V 48MHz
Hyper Transport Link
16 x 16
EC I/O Buer
Power Circuit
uPGA-638 Package
ATI RS880M
BIOS
HD Audio
ATI SB820M
ENE KB926
Bluetooth
Conn
3.3V 24.576MHz/48Mhz
RTC CKT.
S-ATA
SATA HDD
Conn.
port 0
CMOS
Camera
USB port 0,1,2
USB
SATA ODD
Conn.
Mini
card
(WL)X1
port 1
USB port 5 USB port 12 USB port 8
Dual Channel
BANK 0, 1, 2, 3
204pin DDRIII-SO-DIMM X2
1.5V DDRIII 1066~1333MHz
Memory BUS(DDR3)
Clock Generator
ICS9LPRS488
Thermal Sensor
ADM1032
uFCBGA-605
HDA Codec
ALC272X
Audio AMP
Phone Jack x2
LED
LID SW / MEDIA/B
Champlain
Danube
MINI Card 1
WLAN
GPP0GPP1
RJ45
Broadcom
BCM57780
LAN(GbE)
CRT
HDMI Conn.
Fan Control
<Option>
Extend Card/B
1. USB X2
2. Cardreader
USB port 9
3G/GPS
WWAN
<Option>
USB port 6
Card
Reader
Gen1
Gen2
LVDS
6 Chapter 1
Your Acer Notebook tour
Front View
No. Icon Item Description
1 Acer Crystal Eye
webcam
Web camera for video communication
(for selected models).
2 Display screen Also called Liquid-Crystal Display (LCD),
displays computer output.
3 HDD Indicates when the hard disk drive is active.
Communication
indicator
Indicates the computer’s wireless connectivitoy
device status.
4 Power button Turns the computer on and off.
5 Keyboard For entering data into your computer.
6 TouchPad Touch-sensitive pointing device which functions
like a computer mouse.
Chapter 1 7
NOTE:
1
The front panel indicators are visible even when the computer cover is closed.
Closed Front View
Left View
7
Power
1
Indicates the computer’s power status.
Battery
1
Indicates the computer’s battery status.
1. Charging: The light shows amber when the
battery is charging.
2. Fully charged: The light shows blue when in
AC mode.
8 Click buttons (left
and right)
The left and right buttons function like the left
and right mouse buttons.
9 Palmrest Comfortable support area for your hands when
you use the computer.
10 Speakers Left and right speakers deliver stereo audio
output.
11 Microphone Internal microphone for recording sound.
No. Icon Item Description
1 Multi-in-1 card
reader
Accepts Secure Digital (SD), MultiMediaCard
(MMC), Memory Stick (MS), Memory Stick
PRO (MS PRO), xDPicture Card (xD).
NOTE: Push to remove/install the card.
Only one card can operate at any
given time.
No. Icon Item Description
1 DC-in jack Connects to an AC adapter
2 Ventilation slots Enable the computer to stay cool, even after
prolonged use.
3 External display
(VGA) port
Connects to a display device
(e.g. external monitor, LCD projector).
4 Ethernet (RJ-45)
port
Connects to an Ethernet 10/100/1000-based
network.
5 HDMI Connect to HDMI devices
No. Icon Item Description
8 Chapter 1
Right View
6 USB 2.0 ports Connect to USB 2.0 devices (e.g. USB mouse,
USB camera).
7 Microphone-in
jack
Accepts input from external microphones.
Headphones/
speaker/line-out
jack
Connects to audio line-out devices
(e.g. speakers, headphones).
No. Icon Item Description
1 USB 2.0 ports Connect to USB 2.0 devices (e.g. USB mouse, USB
camera).
2 Optical drive Internal optical drive; accepts CDs or DVDs.
3 Optical disk access
indicator
Lights up when the optical drive is active.
4 Optical drive eject
button
Ejects the optical disk from the drive.
5 Emergency eject hole Ejects the optical drive tray when the computer is
turned off.
Note: Insert a paper clip into the emergency eject
hole to eject the optical drive tray when the computer
is off.
6 Kensington lock slot Connects to a Kensington-compatible computer
security lock.
Note: Wrap the computer security lock cable around
an immovable object such as a table or handle of a
locked drawer. Insert the lock into the notch and turn
the key to secure the lock. Some keyless models are
also available.
No. Icon Item Description
Chapter 1 9
Bottom View
Indicators
The computer has several easy-to-read status indicators.
No. Icon Item Description
1 Battery bay Houses the computer's battery pack.
2 Battery release
latch
Releases the battery for removal.
3 Hard disk bay Houses the computer's hard disk (secured
with screws).
4 Memory
compartment
Houses the computer's main memory.
5 Battery lock Locks the battery in position.
6 Ventilation slots
and cooling fan
Enable the computer to stay cool, even after
prolonged use.
Note: Do not cover or obstruct the fan opening.
Icon Function Description
Power Indicates the computer's power status.
Battery Indicates the computer's battery status.
NOTE: 1. Charging: The light shows amber when
the battery is charging. 2. Fully charged: The light
shows green when in AC mode.
HDD Indicates when the hard disk drive is active.
Communication indicator Indicates the computer’s wireless connectivitoy
device status.
10 Chapter 1
TouchPad Basics
The following items show you how to use the TouchPad:
• Move your finger across the TouchPad (1) to move the cursor.
• Press the left (2) and right (3) buttons located beneath the TouchPad to perform selection and
execution functions. These two buttons are similar to the left and right buttons on a mouse.
Tapping on the TouchPad is the same as clicking the left button.
NOTE: When using the TouchPad, keep it - and your fingers - dry and clean. The TouchPad is sensitive to
finger movement; hence, the lighter the touch, the better the response. Tapping too hard will not
increase the TouchPad’s responsiveness.
Function Left Button (2) Right Button (3) Main TouchPad (1)
Execute Quickly click twice. Tap twice (at the same speed
as double-clicking a mouse
button).
Select Click once. Tap once.
Drag Click and hold, then use
finger on the TouchPad to
drag the cursor.
Tap twice (at the same speed
as double-clicking a mouse
button); rest your finger on
the TouchPad on the second
tap and drag the cursor.
Access
context menu
Click once.
/